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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [c99-bool-1.c] - Blame information for rev 12

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1 12 jlechner 
/* Test for _Bool and <stdbool.h> in C99.  */
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do run } */
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/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
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/* _Bool must be a builtin type.  */
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_Bool foo;
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#include <stdbool.h>
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/* Three macros must be integer constant expressions suitable for use
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   in #if.
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*/
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#if !defined(true) || (true != 1)
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#error "bad stdbool true" /* { dg-bogus "#error" "bad stdbool.h" } */
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#endif
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#if !defined(false) || (false != 0)
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#error "bad stdbool false" /* { dg-bogus "#error" "bad stdbool.h" } */
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#endif
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#if !defined(__bool_true_false_are_defined) || (__bool_true_false_are_defined != 1)
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#error "bad stdbool __bool_true_false_are_defined" /* { dg-bogus "#error" "bad stdbool.h" } */
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#endif
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int a = true;
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int b = false;
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int c = __bool_true_false_are_defined;
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struct foo
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{
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  _Bool a : 1;
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  _Bool b : 2;
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  _Bool c : 7;
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} sf;
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#define str(x) xstr(x)
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#define xstr(x) #x
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extern void abort (void);
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extern void exit (int);
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extern int strcmp (const char *, const char *);
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int
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main (void)
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{
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  /* The macro `bool' must expand to _Bool.  */
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  const char *t = str (bool);
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  _Bool u, v;
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  if (strcmp (t, "_Bool"))
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    abort ();
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  if (a != 1 || b != 0 || c != 1)
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    abort ();
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  /* Casts to _Bool have a specified behavior.  */
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  if ((int)(_Bool)2 != 1)
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    abort ();
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  if ((int)(_Bool)0.2 != 1)
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    abort ();
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  /* Pointers may be assigned to _Bool.  */
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  if ((u = t) != 1)
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    abort ();
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  /* _Bool may be used to subscript arrays.  */
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  u = 0;
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  if (t[u] != '_')
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    abort ();
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  if (u[t] != '_')
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    abort ();
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  u = 1;
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  if (t[u] != 'B')
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    abort ();
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  if (u[t] != 'B')
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    abort ();
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  /* Test increment and decrement operators.  */
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  u = 0;
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  if (u++ != 0)
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    abort ();
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  if (u != 1)
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    abort ();
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  if (u++ != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  u = 0;
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  if (++u != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  if (++u != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  u = 0;
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  if (u-- != 0)
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    abort ();
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  if (u != 1)
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    abort ();
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  if (u-- != 1)
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    abort ();
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  if (u != 0)
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    abort ();
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  u = 0;
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  if (--u != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  if (--u != 0)
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    abort ();
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  if (u != 0)
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    abort ();
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  /* Test unary + - ~ !.  */
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  u = 0;
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  if (+u != 0)
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    abort ();
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  if (-u != 0)
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    abort ();
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  u = 1;
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  if (+u != 1)
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    abort ();
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  if (-u != -1)
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    abort ();
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  u = 2;
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  if (+u != 1)
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    abort ();
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  if (-u != -1)
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    abort ();
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  u = 0;
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  if (~u != ~(int)0)
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    abort ();
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  u = 1;
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  if (~u != ~(int)1)
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    abort ();
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  u = 0;
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  if (!u != 1)
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    abort ();
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  u = 1;
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  if (!u != 0)
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    abort ();
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  /* Test arithmetic * / % + - (which all apply promotions).  */
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  u = 0;
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  if (u + 2 != 2)
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    abort ();
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  u = 1;
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  if (u * 4 != 4)
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    abort ();
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  if (u % 3 != 1)
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    abort ();
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  if (u / 1 != 1)
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    abort ();
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  if (4 / u != 4)
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    abort ();
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  if (u - 7 != -6)
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    abort ();
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  /* Test bitwise shift << >>.  */
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  u = 1;
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  if (u << 1 != 2)
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    abort ();
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  if (u >> 1 != 0)
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    abort ();
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  /* Test relational and equality operators < > <= >= == !=.  */
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  u = 0;
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  v = 0;
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  if (u < v || u > v || !(u <= v) || !(u >= v) || !(u == v) || u != v)
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    abort ();
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  u = 0;
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  v = 1;
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  if (!(u < v) || u > v || !(u <= v) || u >= v || u == v || !(u != v))
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    abort ();
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  /* Test bitwise operators & ^ |.  */
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  u = 1;
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  if ((u | 2) != 3)
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    abort ();
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  if ((u ^ 3) != 2)
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    abort ();
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  if ((u & 1) != 1)
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    abort ();
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  if ((u & 0) != 0)
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    abort ();
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  /* Test logical && ||.  */
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  u = 0;
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  v = 1;
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  if (!(u || v))
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    abort ();
186 
  if (!(v || u))
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    abort ();
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  if (u && v)
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    abort ();
190 
  if (v && u)
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    abort ();
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  u = 1;
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  v = 1;
194 
  if (!(u && v))
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    abort ();
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  /* Test conditional ? :.  */
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  u = 0;
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  if ((u ? 4 : 7) != 7)
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    abort ();
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  u = 1;
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  v = 0;
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  if ((1 ? u : v) != 1)
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    abort ();
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  if ((1 ? 4 : u) != 4)
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    abort ();
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  /* Test assignment operators = *= /= %= += -= <<= >>= &= ^= |=.  */
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  if ((u = 2) != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  if ((u *= -1) != 1)
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    abort ();
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  if (u != 1)
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    abort ();
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  if ((u /= 2) != 0)
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    abort ();
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  if ((u += 3) != 1)
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    abort ();
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  if ((u -= 1) != 0)
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    abort ();
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  u = 1;
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  if ((u <<= 4) != 1)
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    abort ();
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  if ((u >>= 1) != 0)
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    abort ();
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  u = 1;
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  if ((u &= 0) != 0)
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    abort ();
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  if ((u |= 2) != 1)
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    abort ();
231 
  if ((u ^= 3) != 1)
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    abort ();
233 
  /* Test comma expressions.  */
234 
  u = 1;
235 
  if ((4, u) != 1)
236 
    abort ();
237 
  /* Test bitfields.  */
238 
  {
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    int i;
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    for (i = 0; i < sizeof (struct foo); i++)
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      *((unsigned char *)&sf + i) = (unsigned char) -1;
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    sf.a = 1;
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    if (sf.a != 1)
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      abort ();
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    sf.b = 1;
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    if (sf.b != 1)
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      abort ();
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    sf.c = 1;
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    if (sf.c != 1)
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      abort ();
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    sf.a = 0;
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    if (sf.a != 0)
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      abort ();
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    sf.b = 0;
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    if (sf.b != 0)
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      abort ();
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    sf.c = 0;
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    if (sf.c != 0)
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      abort ();
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  }
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  exit (0);
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}

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